We divide 87687439 by 591
We want to divide 87687439 by 591.

On to step 1:
If we divide 8 by 591, we get 0 and a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Bring next digit (7) of the dividend behind the 8 and repeat the process: 87 / 591

Going ahead to step 2:
87 divided by 591 is 0 with a remainder of 87.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 87 to get 87.
Take the next digit (6) from the dividend and append it to 87, then repeat: 876 / 591

Going ahead to step 3:
591 goes into 876 1 times with a remainder of 285.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 591 away from 876, we end up with 285.
Include the next digit (8) from the dividend after 285, then repeat: 2858 / 591

Let's proceed to step 4:
When dividing 2858 by 591, we get 4 with a remainder of 494.
Use 4 as the next digit of our solution. 
Result so far: 14.0
If we subtract 2364 from 2858, we get 494.
Append the next digit (7) from the dividend to 494 and continue with: 4947 / 591

Let's proceed to step 5:
The number 591 fits into 4947 8 times, leaving a remainder of 219.
Put 8 as the next digit of the answer. 
Result so far: 148.0
If we subtract 4728 from 4947, we get 219.
Grab the next digit (4) from the dividend, add it to 219, then carry on: 2194 / 591

Going ahead to step 6:
2194 divided by 591 is 3 with a remainder of 421.
The next digit of our result is 3. 
Result so far: 1483.0
If we take 1773 away from 2194, we end up with 421.
Include the next digit (3) from the dividend after 421, then repeat: 4213 / 591

On to step 7:
4213 divided by 591 is 7 with a remainder of 76.
The next digit of our result is 7. 
Result so far: 14837.0
If we take 4137 away from 4213, we end up with 76.
Append the next digit (9) from the dividend to 76 and continue with: 769 / 591

On to step 8:
The number 591 fits into 769 1 times, leaving a remainder of 178.
The next digit of our result is 1. 
Result so far: 148371.0
Subtracting 591 from 769 leaves us with 178.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1780, and continue the process.

Moving on to step 9:
The number 591 fits into 1780 3 times, leaving a remainder of 7.
Write down 3 as next digit of the result. 
Result so far: 148371.3
If we subtract 1773 from 1780, we get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Let's proceed to step 10:
70 divided by 591 is 0 with a remainder of 70.
Record the quotient 0 as the next digit in the result. 
Result so far: 148371.3
If we subtract 0 from 70, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

On to step 11:
If we divide 700 by 591, we get 1 and a remainder of 109.
Use 1 as the next digit of our solution. 
Result so far: 148371.301
If we subtract 591 from 700, we get 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

Going ahead to step 12:
591 goes into 1090 1 times with a remainder of 499.
The next digit of our result is 1. 
Result so far: 148371.3011
If we take 591 away from 1090, we end up with 499.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4990, and continue the process.

The final result is 148371.3011 with a remainder of 0.00499.